This Week in Nature

In this week's Nature, Harvard University researchers describe how the burrowing behavior of oldfield mice is driven by just a few genetic loci, in a modular fashion, offering insights into the genetic basis of innate behaviors. Oldfield mice create complex burrows with long entrance and escape tunnels. In contrast, closely related deer mice dig small and simple burrows.

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The London School of Economics' Daniele Fanelli argues at the Proceedings of the National Academy of Sciences that the reproducibility crisis in science isn't as dire as some say.

A team of researchers in Portugal has examined the genomic basis for racing pigeons' athleticism and navigational skills, finding it's likely polygenic.

Wired reports that diagnostic firms continue to seek, post-Theranos, the ability to diagnose diseases from small amounts of blood.

In Science this week: analysis of DNA from ancient North Africans, and more.